Lab report on motion 6th grade

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?